19609604

素因数分解:

$2^2\times 7^2\times {\mathrm{100049}}^1$

素因数の和:100067

約数の個数: 18

約数和(自身を含む): 39919950

約数和(自身を除く): 20310346

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 100049, 200098, 400196, 700343, 1400686, 2801372, 4902401, 9804802, 19609604]

約数ペア:

[(1, 19609604), (2, 9804802), (4, 4902401), (7, 2801372), (14, 1400686), (28, 700343), (49, 400196), (98, 200098), (196, 100049)]